Auto-enable CONFIG_MDCT when needed

Originally committed as revision 15705 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -744,6 +744,7 @@ CONFIG_LIST="
     libvorbis
     libx264
     libxvid
+    mdct
     memalign_hack
     mlib
     mpegaudio_hp
@@ -919,30 +920,30 @@ fft_suggest="fft_mmx"
 fft_mmx_deps="mmx yasm"
 
 # decoders / encoders
-aac_decoder_select="fft"
+aac_decoder_select="fft mdct"
 ac3_decoder_deps="gpl"
-ac3_decoder_select="fft"
-atrac3_decoder_select="fft"
-cook_decoder_select="fft"
-dca_decoder_select="fft"
+ac3_decoder_select="fft mdct"
+atrac3_decoder_select="fft mdct"
+cook_decoder_select="fft mdct"
+dca_decoder_select="fft mdct"
 dxa_decoder_deps="zlib"
 eac3_decoder_deps="gpl"
-eac3_decoder_select="fft"
+eac3_decoder_select="fft mdct"
 flashsv_decoder_deps="zlib"
 flashsv_encoder_deps="zlib"
-imc_decoder_select="fft"
+imc_decoder_select="fft mdct"
 mpeg_xvmc_decoder_deps="xvmc"
-nellymoser_decoder_select="fft"
-nellymoser_encoder_select="fft"
+nellymoser_decoder_select="fft mdct"
+nellymoser_encoder_select="fft mdct"
 png_decoder_deps="zlib"
 png_encoder_deps="zlib"
-qdm2_decoder_select="fft"
-vorbis_decoder_select="fft"
-vorbis_encoder_select="fft"
-wmav1_decoder_select="fft"
-wmav1_encoder_select="fft"
-wmav2_decoder_select="fft"
-wmav2_encoder_select="fft"
+qdm2_decoder_select="fft mdct"
+vorbis_decoder_select="fft mdct"
+vorbis_encoder_select="fft mdct"
+wmav1_decoder_select="fft mdct"
+wmav1_encoder_select="fft mdct"
+wmav2_decoder_select="fft mdct"
+wmav2_encoder_select="fft mdct"
 zmbv_decoder_deps="zlib"
 zmbv_encoder_deps="zlib"
 

libavcodec/Makefile

@@ -25,10 +25,11 @@ HEADERS = avcodec.h opt.h
 
 OBJS-$(CONFIG_ENCODERS)                += faandct.o jfdctfst.o jfdctint.o
 OBJS-$(CONFIG_FFT)                     += fft.o
+OBJS-$(CONFIG_MDCT)                    += mdct.o
 
-OBJS-$(CONFIG_AAC_DECODER)             += aac.o aactab.o mdct.o
+OBJS-$(CONFIG_AAC_DECODER)             += aac.o aactab.o
 OBJS-$(CONFIG_AASC_DECODER)            += aasc.o msrledec.o
-OBJS-$(CONFIG_AC3_DECODER)             += eac3dec.o ac3dec.o ac3tab.o ac3dec_data.o ac3.o mdct.o
+OBJS-$(CONFIG_AC3_DECODER)             += eac3dec.o ac3dec.o ac3tab.o ac3dec_data.o ac3.o
 OBJS-$(CONFIG_AC3_ENCODER)             += ac3enc.o ac3tab.o ac3.o
 OBJS-$(CONFIG_ALAC_DECODER)            += alac.o
 OBJS-$(CONFIG_ALAC_ENCODER)            += alacenc.o lpc.o
@@ -38,7 +39,7 @@ OBJS-$(CONFIG_ASV1_DECODER)            += asv1.o mpeg12data.o
 OBJS-$(CONFIG_ASV1_ENCODER)            += asv1.o mpeg12data.o
 OBJS-$(CONFIG_ASV2_DECODER)            += asv1.o mpeg12data.o
 OBJS-$(CONFIG_ASV2_ENCODER)            += asv1.o mpeg12data.o
-OBJS-$(CONFIG_ATRAC3_DECODER)          += atrac3.o mdct.o
+OBJS-$(CONFIG_ATRAC3_DECODER)          += atrac3.o
 OBJS-$(CONFIG_AVS_DECODER)             += avs.o
 OBJS-$(CONFIG_BETHSOFTVID_DECODER)     += bethsoftvideo.o
 OBJS-$(CONFIG_BFI_DECODER)             += bfi.o
@@ -49,7 +50,7 @@ OBJS-$(CONFIG_CAVS_DECODER)            += cavs.o cavsdec.o cavsdsp.o golomb.o mp
 OBJS-$(CONFIG_CINEPAK_DECODER)         += cinepak.o
 OBJS-$(CONFIG_CLJR_DECODER)            += cljr.o
 OBJS-$(CONFIG_CLJR_ENCODER)            += cljr.o
-OBJS-$(CONFIG_COOK_DECODER)            += cook.o mdct.o
+OBJS-$(CONFIG_COOK_DECODER)            += cook.o
 OBJS-$(CONFIG_CSCD_DECODER)            += cscd.o
 OBJS-$(CONFIG_CYUV_DECODER)            += cyuv.o
 OBJS-$(CONFIG_DCA_DECODER)             += dca.o
@@ -64,7 +65,7 @@ OBJS-$(CONFIG_DVDSUB_ENCODER)          += dvdsubenc.o
 OBJS-$(CONFIG_DVVIDEO_DECODER)         += dv.o
 OBJS-$(CONFIG_DVVIDEO_ENCODER)         += dv.o
 OBJS-$(CONFIG_DXA_DECODER)             += dxa.o
-OBJS-$(CONFIG_EAC3_DECODER)            += eac3dec.o ac3dec.o ac3tab.o ac3dec_data.o ac3.o mdct.o
+OBJS-$(CONFIG_EAC3_DECODER)            += eac3dec.o ac3dec.o ac3tab.o ac3dec_data.o ac3.o
 OBJS-$(CONFIG_EACMV_DECODER)           += eacmv.o
 OBJS-$(CONFIG_EATGV_DECODER)           += eatgv.o
 OBJS-$(CONFIG_EIGHTBPS_DECODER)        += 8bps.o
@@ -97,7 +98,7 @@ OBJS-$(CONFIG_H264_ENCODER)            += h264enc.o h264dspenc.o
 OBJS-$(CONFIG_HUFFYUV_DECODER)         += huffyuv.o
 OBJS-$(CONFIG_HUFFYUV_ENCODER)         += huffyuv.o
 OBJS-$(CONFIG_IDCIN_DECODER)           += idcinvideo.o
-OBJS-$(CONFIG_IMC_DECODER)             += imc.o mdct.o
+OBJS-$(CONFIG_IMC_DECODER)             += imc.o
 OBJS-$(CONFIG_INDEO2_DECODER)          += indeo2.o
 OBJS-$(CONFIG_INDEO3_DECODER)          += indeo3.o
 OBJS-$(CONFIG_INTERPLAY_DPCM_DECODER)  += dpcm.o
@@ -140,8 +141,8 @@ OBJS-$(CONFIG_MSMPEG4V3_ENCODER)       += msmpeg4.o msmpeg4data.o mpegvideo_enc.
 OBJS-$(CONFIG_MSRLE_DECODER)           += msrle.o msrledec.o
 OBJS-$(CONFIG_MSVIDEO1_DECODER)        += msvideo1.o
 OBJS-$(CONFIG_MSZH_DECODER)            += lcldec.o
-OBJS-$(CONFIG_NELLYMOSER_DECODER)      += nellymoserdec.o nellymoser.o mdct.o
-OBJS-$(CONFIG_NELLYMOSER_ENCODER)      += nellymoserenc.o nellymoser.o mdct.o
+OBJS-$(CONFIG_NELLYMOSER_DECODER)      += nellymoserdec.o nellymoser.o
+OBJS-$(CONFIG_NELLYMOSER_ENCODER)      += nellymoserenc.o nellymoser.o
 OBJS-$(CONFIG_NUV_DECODER)             += nuv.o rtjpeg.o
 OBJS-$(CONFIG_PAM_ENCODER)             += pnmenc.o pnm.o
 OBJS-$(CONFIG_PBM_ENCODER)             += pnmenc.o pnm.o
@@ -152,7 +153,7 @@ OBJS-$(CONFIG_PNG_DECODER)             += png.o pngdec.o
 OBJS-$(CONFIG_PNG_ENCODER)             += png.o pngenc.o
 OBJS-$(CONFIG_PPM_ENCODER)             += pnmenc.o pnm.o
 OBJS-$(CONFIG_PTX_DECODER)             += ptx.o
-OBJS-$(CONFIG_QDM2_DECODER)            += qdm2.o mdct.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
+OBJS-$(CONFIG_QDM2_DECODER)            += qdm2.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
 OBJS-$(CONFIG_QDRAW_DECODER)           += qdrw.o
 OBJS-$(CONFIG_QPEG_DECODER)            += qpeg.o
 OBJS-$(CONFIG_QTRLE_DECODER)           += qtrle.o
@@ -209,8 +210,8 @@ OBJS-$(CONFIG_VCR1_ENCODER)            += vcr1.o
 OBJS-$(CONFIG_VMDAUDIO_DECODER)        += vmdav.o
 OBJS-$(CONFIG_VMDVIDEO_DECODER)        += vmdav.o
 OBJS-$(CONFIG_VMNC_DECODER)            += vmnc.o
-OBJS-$(CONFIG_VORBIS_DECODER)          += vorbis_dec.o vorbis.o vorbis_data.o xiph.o mdct.o
-OBJS-$(CONFIG_VORBIS_ENCODER)          += vorbis_enc.o vorbis.o vorbis_data.o mdct.o
+OBJS-$(CONFIG_VORBIS_DECODER)          += vorbis_dec.o vorbis.o vorbis_data.o xiph.o
+OBJS-$(CONFIG_VORBIS_ENCODER)          += vorbis_enc.o vorbis.o vorbis_data.o
 OBJS-$(CONFIG_VP3_DECODER)             += vp3.o vp3dsp.o
 OBJS-$(CONFIG_VP5_DECODER)             += vp5.o vp56.o vp56data.o vp3dsp.o
 OBJS-$(CONFIG_VP6_DECODER)             += vp6.o vp56.o vp56data.o vp3dsp.o huffman.o
@@ -218,10 +219,10 @@ OBJS-$(CONFIG_VP6A_DECODER)            += vp6.o vp56.o vp56data.o vp3dsp.o huffm
 OBJS-$(CONFIG_VP6F_DECODER)            += vp6.o vp56.o vp56data.o vp3dsp.o huffman.o
 OBJS-$(CONFIG_VQA_DECODER)             += vqavideo.o
 OBJS-$(CONFIG_WAVPACK_DECODER)         += wavpack.o
-OBJS-$(CONFIG_WMAV1_DECODER)           += wmadec.o wma.o mdct.o
-OBJS-$(CONFIG_WMAV1_ENCODER)           += wmaenc.o wma.o mdct.o
-OBJS-$(CONFIG_WMAV2_DECODER)           += wmadec.o wma.o mdct.o
-OBJS-$(CONFIG_WMAV2_ENCODER)           += wmaenc.o wma.o mdct.o
+OBJS-$(CONFIG_WMAV1_DECODER)           += wmadec.o wma.o
+OBJS-$(CONFIG_WMAV1_ENCODER)           += wmaenc.o wma.o
+OBJS-$(CONFIG_WMAV2_DECODER)           += wmadec.o wma.o
+OBJS-$(CONFIG_WMAV2_ENCODER)           += wmaenc.o wma.o
 OBJS-$(CONFIG_WMV1_DECODER)            += h263dec.o h263.o mpeg12data.o mpegvideo.o error_resilience.o
 OBJS-$(CONFIG_WMV1_ENCODER)            += mpegvideo_enc.o motion_est.o ratecontrol.o h263.o mpeg12data.o mpegvideo.o error_resilience.o
 OBJS-$(CONFIG_WMV2_DECODER)            += wmv2dec.o wmv2.o msmpeg4.o msmpeg4data.o h263dec.o h263.o intrax8.o intrax8dsp.o mpeg12data.o mpegvideo.o error_resilience.o